Method of controlling electronic devices

A method of controlling a plurality of electronic devices connected by a network, the method comprising steps of:

• (a) collecting a voice by the plurality of electronic devices;
• (b) extracting a voice command based on information on the collected voice by each of the plurality of electronic devices;
• (c) determining one of the plurality of electronic devices collecting the voice as a master and the other of the plurality of electronic devices collecting the voice as a slave;
• (d) determining a target electronic device of the voice command through analyzing the voice command by the master;
• and
• (e) transmitting the voice command to the target electronic device by the master,
• wherein each of the plurality of the electronic devices connected by the network transmits whether the voice command is operable or not to the master, and
• wherein, in the step (d), when there is no electronic device operable according to the voice command among the plurality of electronic devices connected by the network, the master makes one of the plurality of electronic devices operate as a wireless router and transmits the voice command to the wireless router.